3kw residential on grid solar power system generates energy from the sun and stores it in the utility grid,Website:http://www.dsneg.com, so you can use it anytime you need it.3000 Watts Solar Panel Kit: 11 pcs 275W Poly Solar Panel +3kw grid tied inverter + Mounting Support + 200 meters Solar Cable + 4 pairs MC4 connector + Monitoring System.Key Features:Reliable and safetyEasy maintenanceOverload protection